Make her a low ball offer of about a thousand. Promise her you'll take very good care of it, etc, etc. You never know what could happen.
The worst thing she can say is no, at this point in time. Then somewhere in the future she will think about it and let you have it.

I know this is an old post, but I had to bring it back because IT IS RELEVANT information that I'm about to post. I also see the topic got off track a little, but whatever - no problem!

So I had this same hot side/cold side problem in my Riviera that I just discovered this morning. I followed writeups and whatnot and found the servo motor assembly that turns the directional air vane inside the dash tubing. I took it out, disassembled it, it was perfect, so I put it back together. I got back to the car and loosened up the shaft that was attached to the air vane. Fine - good. All seems well. Well, I still had the problem when I turned the AC/heat on. After some tinkering, I found out that the servo gears them selves were MISALIGNED!! Go figure!

Now for some facts and other information. The servo itself turns the gears inside and the air vane only over a CERTAIN range. This range is marked by two lines on the cover of the servo, the right side being the cold direction, the left side being the hot direction. Whenever I'd plug my servo in, it would go WAY too far to the cold side, so that when i turn the temperature all the way to hot, the misaligned gears were still only turning the servo and air vane to a still-cold position. I kept realigning the shaft gear until when I plugged it in and started the AC/heat, it started in the coldest postition (60F), which was also the correct position for the air vane.

It's very confusing to explain, but I found it to be very useful information and a possibility when exploring this problem, even if it's with a different servo. If anyone didn't find this clear, PLEASE ask me questions! It is very complicated to explain.

Thanks!

-Z

You had to index the servo to match the position of what your referring to as the air vane shaft.
Correct.?

In my car, the driver's side is ALWAYS warmer than the passenger side. The servos all work fine (I replaced two with broken gears in the past). I was thinking of indexing the gear with the encoder one or two teeth in the driver's side servo to offset this.

Correct Rick. From what I found when I was messing with it last night, the servo motor itself is told my the HVAC controls to move only a certain distance. The main drive gear for the air vane was out of alignment and wasn't moving to the correct positions so I had to keep taking it out and moving the drive gear until it was positioned, by the computer's temperature setting, in the same direction as the air vane. I wish I would have gotten pictures...

Mikel - that seems to be what I just did last night, so it's worth a shot! I don't know exactly which servo needs attention, but that sounds like the issue. It sounds like it's one on the driver's side inside the dash.

Exactly which servo did you remove that controlled driver/pass temp? i've pulled a few of them, but i seem to pick the wrong one always

The one I dealt with was behind the glove box and immediately to the left and behind the PCM. It was the only one I could see on my '95. I unscrewed it with three 5.5 mm screws, one electrical plug, and then popped it off the air vane shaft. After you remove the PCM, it's easy to get to and take out, as I described.

Please note, though, that the one I messed with is not the only one that controls temperature blending, but it was the one that was causing my problem. My driver's side temperature would always adjust as it was supposed to, but no matter what, the passenger side would always be cold. Therefore, the passenger side servo/air vane was the problem.

ah, i see. my problem is one of the driver side blender doors, but i am trying to find out which one. Neutral driver side and cold on the passenger side. everything else works fine.

Mr. Riviera - sounds like you might have a combination of them not working correctly, though I can say for sure that if the servo/air vane is the problem, at LEAST the one I worked on is the same one that youre having an issue with.

Mikel - I cannot imagine tangling with that many vacuum hoses lol. The system for just my '88 Lesabre T-type is crazy enough and it's nothing like a '66 ANYTHING.